CVE-2024-4323

Name: CVE-2024-4323
Creator: NVD / NIST
Published: 2024-05-20T12:15:08.72+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 28.31%

Last modified Jun 17, 2026

CVE-2024-4323 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server’s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution.. EPSS estimates a 28.31% chance of exploitation in the next 30 days.

Description

A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server’s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

28.31%

97.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Treasuredata	Fluent Bit	>= 2.0.7, < 2.2.3
Treasuredata	Fluent Bit	>= 3.0.0, < 3.0.4

References

https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04Patch
https://tenable.com/security/research/tra-2024-17Patch, Third Party Advisory
https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04Patch
https://tenable.com/security/research/tra-2024-17Patch, Third Party Advisory
https://www.vicarius.io/vsociety/posts/linguistic-lumberjack-memory-corruption-in-fluent-bit-cve-2024-4323Exploit, Third Party Advisory

Timeline

Published: May 20, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-4323?

How severe is CVE-2024-4323?

CVE-2024-4323 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 28.31% probability of exploitation in the next 30 days.

How do I fix CVE-2024-4323?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-4323?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST